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json.dumps vs flask.jsonify

...dumps() method will just return an encoded string, which would require manually adding the MIME type header. See more about the jsonify() function here for full reference. Edit: Also, I've noticed that jsonify() handles kwargs or dictionaries, while json.dumps() additionally supports lists and oth...
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Error: Jump to case label

...code, if foo equals 1, everything is ok, but if it equals 2, we'll accidentally use the i variable which does exist but probably contains garbage. switch(foo) { case 1: int i = 42; // i exists all the way to the end of the switch dostuff(i); break; case 2: dostuff(i*2); // i is ...
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How do I test for an empty JavaScript object?

...do you post answer including jQuery if the question is not about jQuery at all? – Eru Oct 1 '12 at 14:10 48 ...
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How to get a key in a JavaScript object by its value?

...pt object, which I use as an associative array. Is there a simple function allowing me to get the key for a value, or do I have to iterate the object and find it out manually? ...
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How to detect total available/free disk space on the iPhone/iPad device?

... Original answer: I found the following solution working for me: -(uint64_t)getFreeDiskspace { uint64_t totalSpace = 0; uint64_t totalFreeSpace = 0; NSError *error = nil; NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSDic...
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jQuery vs document.querySelectorAll

...ve the same result with document.querySelector or document.querySelectorAll , which are supported in Internet Explorer 8 and above. ...
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LEFT JOIN only first row

... Thanks for your fast response. This was not the exact answer, but totally got me on the right way. I always tried to join both on the same level instead of making the one depended from the other. Thank you very much for leading me on the right track. Edited the first post ...
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How to run a PowerShell script from a batch file

... would have otherwise. In a way it's merely a convenience to avoid accidentally running things you may not want to run. Similar to having to prefix commands in the current directory with ./ and having an executable flag on Unix. – Joey Nov 6 '16 at 14:26 ...
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Initializing a static std::map in C++

... Every time I see something like that done with C++, I think of all the horrendous template code that must be behind it. Good example! – Greg Hewgill Sep 26 '08 at 10:22 ...
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Adding :default => true to boolean in existing Rails column

... change_column is a method of ActiveRecord::Migration, so you can't call it like that in the console. If you want to add a default value for this column, create a new migration: rails g migration add_default_value_to_show_attribute Then in the migration created: # That's the more generic way t...